WIFI relay 4 channels SONOFF,+remote control. v2

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Wi-Fi relay to control any electrical appliances, sockets or switches from a smartphone via the Internet using a special Ewelink applicationfor androidorfor IOS... The functional Russian-language Ewelink application will allow you to easily control all the functions of the device. It also has a radio control function using a 433MHz remote control. The remote control is included in the package. There are 4 contacts on the board for connecting physical buttons. The 4th button is physically on the board.
The relay has 4 channels with changeover contacts designed for a load of 10A each. Power can be supplied to dedicated terminals or from the MicroUSB socket. Consumption current in operating mode with closed relays up to 400mA.
The relay can operate in 3 different modes. The first mode is a short-term switching on and off of any relay channel when triggered by a timer, smartphone or remote control. The second mode is switching. In this mode, the actuation of one relay turns off the rest and does not turn off until the next actuation signal. And the third mode is independent switching on and off of each relay channel. Modes are switched using a separate button on the board. The mode is remembered when turned off.

Main characteristics:

• Supply voltage 5VDC
• Consumption current: up to 400mA
• Load current max. per channel: 10A
• Number of channels: 4
• Wi-Fi support
• Support for remote control 433MHz
• Display online device status (enabled/disabled)
• Remote turn on/off via Internet
• Support for 8 timers (Enable/Disable according to the specified algorithm)
• Control an unlimited number of WiFi relays from one smartphone
• Easy installation, connection and use
• Dimensions 74 * 74 * 17 mm

Note:for the device to work, it is necessary to have a WI-Fi router within its range for the relay to communicate with the Internet.


Program setting:download and run the Ewelink appAndroid , iOS... Register in the application by entering your email and clicking the "Send code" button. A confirmation code will be sent to the email within a few minutes. Enter the code into the app.

Adding a device:connect the device to power. Press and hold the button on the device body for at least 5 seconds (the 4th button, which is present on the board). The LED will start flashing quickly, release the button. In the app, click "+" or "Add device" and click "Next". Enter the name of your Wi-Fi network and its password. The program will detect your device and add it.

Connection:device power is supplied to terminals 5V and GND or to MicroUSB located nearby. The relay has outputs CK (NO, normally open), CB (NC, normally closed), COM (changeover contact).